/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2021年6月2日
 */
package com.massyframework.beanskin.runtime.service.scriptengine;

import java.lang.instrument.Instrumentation;

import javax.script.ScriptEngine;

import com.massyframework.beanskin.framework.FrameworkConfig;
import com.massyframework.beanskin.launching.LaunchingHandler;
import com.massyframework.beanskin.util.version.Version;

/**
 * JavaScript表达式处理器
 * @author huangkh
 *
 */
public final class ScriptExpressionInitializer implements LaunchingHandler {

	/**
	 * 
	 */
	public ScriptExpressionInitializer() {
	}

	@Override
	public void init(FrameworkConfig config) {
		//关闭提示
		System.setProperty("polyglot.engine.WarnInterpreterOnly", "false");
		
		//注册脚本引擎增强器
		Instrumentation inst = config.getBean(Instrumentation.class.getName(), Instrumentation.class);
		if (!new ScriptEngineTransformer().retransform(inst)) {
			System.out.println("transformer failed.");
		};
			
		ScriptEngineServiceFactory factory = new ScriptEngineServiceFactory("Graal.js");
		config.defineExportService(ScriptEngine.class.getName(), factory, builder->{
			builder.addExportService(ScriptEngine.class)
				.isFactory(true)
				.name("graal")
				.version(Version.valueOf("12.0"))
				.topRanking();
		});
	}

	@Override
	public String toString() {
		return "ScriptExpressionInitializer";
	}
}
